However, the potential of DW-MRI as an imaging biomarker is just emerging, and further studies are essential to validate and standardize these data. We are grateful to #links# Dr Hiroshi Tanaka and Dr Chikako Ishii (Department of Radiology, Ochanomizu Surugadai Clinic, Tokyo, Japan), who provided a radiologists' specialized knowledge of DW-MRI. None declared. ""This paper makes the case for what h